The relation between maternal mood state and thyroid function during end gestation and successful external version of fetal breech position [ Time Frame: during external cephalic version ] [ Designated as safety issue: No ]

Secondary Outcome Measures:

the relation between neonatal thyroid parameters at delivery and successful external version, the effect of successful version on hipdysplasia [ Time Frame: at the time of delivery, at the age of 3 months ] [ Designated as safety issue: No ]

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Please refer to this study by its ClinicalTrials.gov identifier: NCT00516555